Answer: (B)
Explanation: They are asking for a comparison between light waves and sound waves.
A and C is wrong because it only says about sound waves
D only says about sound waves
E is completely wrong because they are affected differently in different mediums.
I think the answer would be 420hg=4,200,000cg
Your answer would be the third choice, C.
Fracking sites release a toxic stew of air pollution that includes chemicals that can cause deserve headaches, asthma symptoms, childhood leukemia, cardiac problems, and birth defects(it can also cause cancer). Fracking increases economic activity, employment, income and housing prices.
Answer:
The correct answer is option B. Schistosoma mansoni.
Explanation:
Schistosoma mansoni is a parasite that can infect humans by the contaminated water that causes schistosomiasis or commonly known as bilharzia. It is an intestinal disorder that causes by adult lives. The symptoms arise in the patient due to eggs with spine projecting on their surface.
Thus, the correct answer is option - B. Schistosoma mansoni.
